Added benchmark for primitives.
Added benchmark for primitives.

askogvold/jtk,voltnor/jtk,dhale/jtk,askogvold/jtk,chrisengelsma/jtk,MinesJTK/jtk,askogvold/jtk,dhale/jtk,voltnor/jtk,MinesJTK/jtk,dhale/jtk,MinesJTK/jtk,voltnor/jtk,askogvold/jtk,ctrueden/jtk,ctrueden/jtk,chrisengelsma/jtk,ctrueden/jtk,ctrueden/jtk,chrisengelsma/jtk,voltnor/jtk